BrowseSupportFragment.java revision 181c8847d5a1169e26755ed690131333b7fff7e9 
1// CHECKSTYLE:OFF Generated code
2/* This file is auto-generated from BrowseFragment.java.  DO NOT MODIFY. */
3
4/*
5 * Copyright (C) 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software distributed under the License
13 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
14 * or implied. See the License for the specific language governing permissions and limitations under
15 * the License.
16 */
17package com.example.android.leanback;
18
19import android.support.v4.app.Fragment;
20import android.content.Intent;
21import android.os.Bundle;
22import android.os.Handler;
23import android.support.v17.leanback.app.GuidedStepSupportFragment;
24import android.support.v17.leanback.app.RowsSupportFragment;
25import android.support.v17.leanback.widget.ArrayObjectAdapter;
26import android.support.v17.leanback.widget.DividerRow;
27import android.support.v17.leanback.widget.HeaderItem;
28import android.support.v17.leanback.widget.ImageCardView;
29import android.support.v17.leanback.widget.ListRow;
30import android.support.v17.leanback.widget.ListRowPresenter;
31import android.support.v17.leanback.widget.OnItemViewClickedListener;
32import android.support.v17.leanback.widget.OnItemViewSelectedListener;
33import android.support.v17.leanback.widget.PageRow;
34import android.support.v17.leanback.widget.Presenter;
35import android.support.v17.leanback.widget.Row;
36import android.support.v17.leanback.widget.RowPresenter;
37import android.support.v17.leanback.widget.SectionRow;
38import android.support.v4.app.ActivityOptionsCompat;
39import android.support.v4.content.res.ResourcesCompat;
40import android.util.Log;
41import android.view.LayoutInflater;
42import android.view.View;
43import android.view.ViewGroup;
44
45public class BrowseSupportFragment extends android.support.v17.leanback.app.BrowseSupportFragment {
46    private static final String TAG = "leanback.BrowseSupportFragment";
47
48    private static final boolean TEST_ENTRANCE_TRANSITION = true;
49    private static final int NUM_ROWS = 8;
50    private static final long HEADER_ID1 = 1001;
51    private static final long HEADER_ID2 = 1002;
52    private static final long HEADER_ID3 = 1003;
53
54    private ArrayObjectAdapter mRowsAdapter;
55    private BackgroundHelper mBackgroundHelper;
56
57    // For good performance, it's important to use a single instance of
58    // a card presenter for all rows using that presenter.
59    final CardPresenter mCardPresenter = new CardPresenter();
60    final CardPresenter mCardPresenter2 = new CardPresenter(R.style.MyImageCardViewTheme);
61
62    public BrowseSupportFragment() {
63        getMainFragmentRegistry().registerFragment(PageRow.class, new PageRowFragmentFactory());
64    }
65
66    @Override
67    public void onCreate(Bundle savedInstanceState) {
68        Log.i(TAG, "onCreate");
69        super.onCreate(savedInstanceState);
70
71        mBackgroundHelper = new BackgroundHelper(getActivity());
72        mBackgroundHelper.attachToWindow();
73
74        setBadgeDrawable(ResourcesCompat.getDrawable(getActivity().getResources(),
75                R.drawable.ic_title, getActivity().getTheme()));
76        setTitle("Leanback Sample App");
77        setHeadersState(HEADERS_ENABLED);
78        setOnSearchClickedListener(new View.OnClickListener() {
79            @Override
80            public void onClick(View view) {
81                Intent intent = new Intent(getActivity(), SearchSupportActivity.class);
82                startActivity(intent);
83            }
84        });
85
86        setOnItemViewClickedListener(new ItemViewClickedListener());
87        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
88            @Override
89            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
90                    RowPresenter.ViewHolder rowViewHolder, Row row) {
91                Log.i(TAG, "onItemSelected: " + item + " row " + row);
92
93                updateBackgroundToSelection();
94            }
95        });
96        setBrowseTransitionListener(new BrowseTransitionListener() {
97            @Override
98            public void onHeadersTransitionStop(boolean withHeaders) {
99                updateBackgroundToSelection();
100            }
101        });
102        if (TEST_ENTRANCE_TRANSITION) {
103            // don't run entrance transition if fragment is restored.
104            if (savedInstanceState == null) {
105                prepareEntranceTransition();
106            }
107        }
108
109        // simulates in a real world use case  data being loaded two seconds later
110        new Handler().postDelayed(new Runnable() {
111            public void run() {
112                setupRows();
113                loadData();
114                startEntranceTransition();
115            }
116        }, 2000);
117    }
118
119    @Override
120    public void onStart() {
121        super.onStart();
122        updateBackgroundToSelection();
123    }
124
125    void updateBackgroundToSelection() {
126        if (!isShowingHeaders()) {
127            RowPresenter.ViewHolder rowViewHolder = getSelectedRowViewHolder();
128            Object item = rowViewHolder == null ? null : rowViewHolder.getSelectedItem();
129            if (item != null) {
130                mBackgroundHelper.setBackground(((PhotoItem) item).getImageResourceId());
131            } else {
132                mBackgroundHelper.clearDrawable();
133            }
134        } else {
135            mBackgroundHelper.clearDrawable();
136        }
137    }
138
139    @Override
140    public View onCreateView(
141            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
142        return super.onCreateView(inflater, container, savedInstanceState);
143    }
144
145    private void setupRows() {
146        ListRowPresenter listRowPresenter = new ListRowPresenter();
147        listRowPresenter.setNumRows(1);
148        mRowsAdapter = new ArrayObjectAdapter(listRowPresenter);
149        setAdapter(mRowsAdapter);
150    }
151
152    private void loadData() {
153        int i = 0;
154
155        mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID1, "Page Row 0")));
156        mRowsAdapter.add(new DividerRow());
157
158        mRowsAdapter.add(new SectionRow(new HeaderItem("section 0")));
159        for (; i < NUM_ROWS; ++i) {
160            HeaderItem headerItem = new HeaderItem(i, "Row " + i);
161            headerItem.setDescription("Description for Row "+i);
162            mRowsAdapter.add(new ListRow(headerItem, createListRowAdapter(i)));
163        }
164
165        mRowsAdapter.add(new DividerRow());
166        mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID2, "Page Row 1")));
167
168        mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID3, "Page Row 2")));
169    }
170
171    private ArrayObjectAdapter createListRowAdapter(int i) {
172        ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter((i & 1) == 0 ?
173                mCardPresenter : mCardPresenter2);
174        listRowAdapter.add(new PhotoItem(
175                "Hello world",
176                R.drawable.gallery_photo_1));
177        listRowAdapter.add(new PhotoItem(
178                "This is a test",
179                "Only a test",
180                R.drawable.gallery_photo_2));
181        listRowAdapter.add(new PhotoItem(
182                "Android TV",
183                "by Google",
184                R.drawable.gallery_photo_3));
185        listRowAdapter.add(new PhotoItem(
186                "Leanback",
187                R.drawable.gallery_photo_4));
188        listRowAdapter.add(new PhotoItem(
189                "GuidedStep (Slide left/right)",
190                R.drawable.gallery_photo_5));
191        listRowAdapter.add(new PhotoItem(
192                "GuidedStep (Slide bottom up)",
193                "Open GuidedStepSupportFragment",
194                R.drawable.gallery_photo_6));
195        listRowAdapter.add(new PhotoItem(
196                "Android TV",
197                "open RowsSupportActivity",
198                R.drawable.gallery_photo_7));
199        listRowAdapter.add(new PhotoItem(
200                "Leanback",
201                "open BrowseSupportActivity",
202                R.drawable.gallery_photo_8));
203        listRowAdapter.add(new PhotoItem(
204                "Hello world",
205                R.drawable.gallery_photo_1));
206        listRowAdapter.add(new PhotoItem(
207                "This is a test",
208                "Only a test",
209                R.drawable.gallery_photo_2));
210        listRowAdapter.add(new PhotoItem(
211                "Android TV",
212                "by Google",
213                R.drawable.gallery_photo_3));
214        listRowAdapter.add(new PhotoItem(
215                "Leanback",
216                R.drawable.gallery_photo_4));
217        return listRowAdapter;
218    }
219
220    private final class ItemViewClickedListener implements OnItemViewClickedListener {
221        @Override
222        public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
223                RowPresenter.ViewHolder rowViewHolder, Row row) {
224
225            Intent intent;
226            Bundle bundle;
227            if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_6) {
228                GuidedStepSupportFragment.add(getFragmentManager(),
229                        new GuidedStepSupportHalfScreenActivity.FirstStepFragment(),
230                        R.id.lb_guidedstep_host);
231                return;
232            } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_5) {
233                GuidedStepSupportFragment.add(getFragmentManager(),
234                        new GuidedStepSupportActivity.FirstStepFragment(), R.id.lb_guidedstep_host);
235                return;
236            } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_8) {
237                intent = new Intent(getActivity(), BrowseSupportActivity.class);
238                bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
239                        .toBundle();
240            } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_7) {
241                intent = new Intent(getActivity(), RowsSupportActivity.class);
242                bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
243                        .toBundle();
244            } else {
245                intent = new Intent(getActivity(), DetailsSupportActivity.class);
246                intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item);
247                bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
248                        getActivity(),
249                        ((ImageCardView) itemViewHolder.view).getMainImageView(),
250                        DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle();
251            }
252            getActivity().startActivity(intent, bundle);
253        }
254    }
255
256    public static class PageRowFragmentFactory extends FragmentFactory {
257
258        @Override
259        public Fragment createFragment(Object rowObj) {
260            Row row = (Row) rowObj;
261            if (row.getHeaderItem().getId() == HEADER_ID1) {
262                return new SampleRowsSupportFragment();
263            } else if (row.getHeaderItem().getId() == HEADER_ID2) {
264                return new SampleRowsSupportFragment();
265            } else if (row.getHeaderItem().getId() == HEADER_ID3) {
266                return new SampleFragment();
267            }
268
269            return null;
270        }
271    }
272
273    public static class SampleRowsSupportFragment extends RowsSupportFragment {
274        final CardPresenter mCardPresenter = new CardPresenter();
275        final CardPresenter mCardPresenter2 = new CardPresenter(R.style.MyImageCardViewTheme);
276
277        void loadFragmentData() {
278            ArrayObjectAdapter adapter = (ArrayObjectAdapter) getAdapter();
279            for (int i = 0; i < 4; i++) {
280                ListRow row = new ListRow(new HeaderItem("Row " + i), createListRowAdapter(i));
281                adapter.add(row);
282            }
283            if (getMainFragmentAdapter() != null) {
284                getMainFragmentAdapter().getFragmentHost()
285                        .notifyDataReady(getMainFragmentAdapter());
286            }
287        }
288
289        public SampleRowsSupportFragment() {
290            ArrayObjectAdapter adapter = new ArrayObjectAdapter(new ListRowPresenter());
291            setAdapter(adapter);
292            // simulates late data loading:
293            new Handler().postDelayed(new Runnable() {
294                public void run() {
295                    loadFragmentData();
296                }
297            }, 500);
298
299            setOnItemViewClickedListener(new OnItemViewClickedListener() {
300                @Override
301                public void onItemClicked(
302                        Presenter.ViewHolder itemViewHolder,
303                        Object item,
304                        RowPresenter.ViewHolder rowViewHolder,
305                        Row row) {
306                    Intent intent;
307                    Bundle bundle;
308                    if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_6) {
309                        GuidedStepSupportFragment.add(getActivity().getSupportFragmentManager(),
310                                new GuidedStepSupportHalfScreenActivity.FirstStepFragment(),
311                                R.id.lb_guidedstep_host);
312                        return;
313                    } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_5) {
314                        GuidedStepSupportFragment.add(getActivity().getSupportFragmentManager(),
315                                new GuidedStepSupportActivity.FirstStepFragment(), R.id.lb_guidedstep_host);
316                        return;
317                    } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_8) {
318                        intent = new Intent(getActivity(), BrowseSupportActivity.class);
319                        bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
320                                .toBundle();
321                    } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_7) {
322                        intent = new Intent(getActivity(), RowsSupportActivity.class);
323                        bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
324                                .toBundle();
325                    } else {
326                        intent = new Intent(getActivity(), DetailsSupportActivity.class);
327                        intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item);
328                        bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
329                                getActivity(),
330                                ((ImageCardView) itemViewHolder.view).getMainImageView(),
331                                DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle();
332                    }
333                    getActivity().startActivity(intent, bundle);
334                }
335            });
336        }
337
338        private ArrayObjectAdapter createListRowAdapter(int i) {
339            ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter((i & 1) == 0 ?
340                    mCardPresenter : mCardPresenter2);
341            listRowAdapter.add(new PhotoItem(
342                    "Hello world",
343                    R.drawable.gallery_photo_1));
344            listRowAdapter.add(new PhotoItem(
345                    "This is a test",
346                    "Only a test",
347                    R.drawable.gallery_photo_2));
348            listRowAdapter.add(new PhotoItem(
349                    "Android TV",
350                    "by Google",
351                    R.drawable.gallery_photo_3));
352            listRowAdapter.add(new PhotoItem(
353                    "Leanback",
354                    R.drawable.gallery_photo_4));
355            listRowAdapter.add(new PhotoItem(
356                    "GuidedStep (Slide left/right)",
357                    R.drawable.gallery_photo_5));
358            listRowAdapter.add(new PhotoItem(
359                    "GuidedStep (Slide bottom up)",
360                    "Open GuidedStepSupportFragment",
361                    R.drawable.gallery_photo_6));
362            listRowAdapter.add(new PhotoItem(
363                    "Android TV",
364                    "open RowsSupportActivity",
365                    R.drawable.gallery_photo_7));
366            listRowAdapter.add(new PhotoItem(
367                    "Leanback",
368                    "open BrowseSupportActivity",
369                    R.drawable.gallery_photo_8));
370            return listRowAdapter;
371        }
372    }
373
374    public static class PageFragmentAdapterImpl extends MainFragmentAdapter<SampleFragment> {
375
376        public PageFragmentAdapterImpl(SampleFragment fragment) {
377            super(fragment);
378            setScalingEnabled(true);
379        }
380
381        @Override
382        public void setEntranceTransitionState(boolean state) {
383            getFragment().setEntranceTransitionState(state);
384        }
385    }
386
387    public static class SampleFragment extends Fragment implements MainFragmentAdapterProvider {
388
389        final PageFragmentAdapterImpl mMainFragmentAdapter = new PageFragmentAdapterImpl(this);
390
391        public void setEntranceTransitionState(boolean state) {
392            final View view = getView();
393            int visibility = state ? View.VISIBLE : View.INVISIBLE;
394            view.findViewById(R.id.tv1).setVisibility(visibility);
395            view.findViewById(R.id.tv2).setVisibility(visibility);
396            view.findViewById(R.id.tv3).setVisibility(visibility);
397        }
398
399        @Override
400        public View onCreateView(
401                final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
402            View view = inflater.inflate(R.layout.page_fragment, container, false);
403            view.findViewById(R.id.tv1).setOnClickListener(new View.OnClickListener() {
404                @Override
405                public void onClick(View view) {
406                    Intent intent = new Intent(inflater.getContext(), GuidedStepSupportActivity.class);
407                    startActivity(intent);
408                }
409            });
410
411            return view;
412        }
413
414        @Override
415        public void onViewCreated(View view, Bundle savedInstanceState) {
416            // static layout has view and data ready immediately
417            mMainFragmentAdapter.getFragmentHost().notifyViewCreated(mMainFragmentAdapter);
418            mMainFragmentAdapter.getFragmentHost().notifyDataReady(mMainFragmentAdapter);
419        }
420
421        @Override
422        public MainFragmentAdapter getMainFragmentAdapter() {
423            return mMainFragmentAdapter;
424        }
425    }
426}
427